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• Re-gas compressors to 2.20 Mpa - Me• New oil mist adsorbers in compressors at 20k hrs – Me• Comp1 11K hrs, Comp2 11K, Comp3 20K, Comp4 18K• Service cold heads – Sumitomo (what’s normal period at 24/7?)• Replace broken insulating vac valve on cryo1 – Alan & Me• Service ITC503’s (temp gauge) and MKS937’s? (vac gauges) - Me• Service CCG’s - Me• Receive new Leybold turbos, controllers & backing sets April• Service old turbos & controllers - keep as spares – D.Hands ex DL?•Chilled water for compressors – J.Govans to do after a/c, 1 day

Repairs and maintenance of cryostats and compressors before hall installation

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Lower ramp section done. Not Tracker scetion though

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Electronics and other installation issues

• Computers, interfaces & VME crate topology – Caen VME x3• Which is slow controls PC, which 1 or 2 DAQ PC’s - what

racks? • Another Vesda and commissioning – Fire suppression Ltd• Magnetic shielding for turbos, controllers?, fans, psu, move

away backing pumps, cold heads? – Mike C.• MICE global backing vac system? - Vishal• Can we review/change orientation of cryo kit?• Helium bottle & pipework for cassettes• Rack smoke detectors like old system?

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Cable and fibre installation plans

• Ruggedised fibres from 3 PC’s in MLCR to 3x VME Crates in hall • Slow controls crate in Tr1 rack holds both 1553, 10M cable to

Tr2• VLSB readout crates in both Tr1&Tr2 racks • Tracker1 rack already has 3 fibres laid in place• Tracker2 needs doing• VLSB cables limited to 9.8 metres in length (AFE’s to VME crate)• Get latest rack positions from Ian – needs minor update• Timing/triggering cables – Speak to Paul, uses few VME modules

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Rack layout for ground floor by Q7,8,9,

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Rack layout for North Mezz extension platform

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Hall – Ground floor

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Hall – Mezz level

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4. Installation of cryo and services – single station or full tracker?

Chilled Water – 1 days workHelium – line or bottleNew/Old pump setsInterlocks/Control sys/Autodialler? – DL/MR